TAPPI/ANSI T 435 om:2016(R2022)
Current
Hydrogen ion concentration (pH) of paper extracts (hot extraction method)
Hardcopy , PDF
English
05-12-2022
This method consists of a boiling water extraction of the specimen for one hour followed by a pH measurement with a commercial pH meter.
| DocumentType |
Official Test Method
|
| Pages |
5
|
| PublisherName |
Technical Association of the Pulp & Paper Industry
|
| Status |
Current
|
| Supersedes |
This method measures the hydrogen ion concentration, expressed in terms of pH, of an aqueous extract of paper obtained by hot extraction (unfiltered and extracted by boiling water for one hour).